NYC-WTC_000206240

NYC 9/11 Public Portal Document

AIRBORNE ASBESTOS ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY CLIENT: Wanen & Panzer Engineers, P.C. PROJECT: NYC DEP, 20 John Street LABORATORY ID #: T02 10-107 DATE OF REPORT: 10/18/02 ATHENICA ANALYT. METHODOLOGY: AHERA DATE OF ANALYSIS: 10/18/02 ENVIRONMENTAL SERVICES INC. FILTER TYPE: M C E. EFFECTIVE FILTER AREA (mm^): 385 Tel. (718) 784-7490 AVERAGE G.O. AREA (mm"): 0.013838 Fax. (718) 784-4085

LABORATORY RESULTS

CLIENT# LAB. ID # LOCATION VOLUME G.O.’s AREA ANALYT. TOTAL TOTAL AIR AIR ASBEST. AMPHIB. (It) ANAL ANALY SENSITLV. ASBESTOS ASBESTOS CONC. CONC. TYPE ASBEST VZED ZED (struct,/cm^) AIR CONC. FILTER FOR FOR CHRYS. TYPE (mm^) (struc./cni’) CONC. STRUCT. STRUCT. SPECIFY (str./mra’) O.S<S<5|iin S>S.0p.m 01 T02-10- Exit to the roof 1800 4 0.0554 0.0039 <0.0039 <18.07 NA N^ NA NA 107-3221 02 T02-10- IWA 1“ left side of 1800 4 0.0554 0.0039 0.0039 18.07 0.0039 <0.0039 Chrys. NA 107-3222 WA 03 T02-10- IWA 2"“^ left side of 1800 4 0.0554 0.0039 <0.0039 <18.07 NA NA NA NA 107-3223 WA 04 T02-10- IWA 3"* left side of 1800 4 0.0554 0.0039 <0.0039 <18.07 NA NA NA NA 107-3224 WA 05 T02-10- IWA right side of 1800 4 0.0554 0.0039 <0.0039 <18.07 NA NA NA NA 107-3225 WA

ANALYST LABORATORY DIRECTOR E. Dimitrakas Spiro Dongaris

LABORATORY CERTIFICATION NUMBERS: NVLAP 101958, ELAP 10955 o Athenica Environmental Services Inc. (AES), is responsible only for information pertaining to samples taken by its employees. K Air sampling cassettes will be stored for sixty (60) days. AES Inc., should be notified within this time frame for a true duplicate analysis. I If AES Inc., did not conduct the sampling, the reported airborne concentration was derived based on information provided by the client. Under these circumstances, the air concentration data is S supplied solely for the convenience of the client. o The report relates only to items tested. This report must not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. Test reports may not be reproduced o except in full and with prior approval of AE.S Inc. o rhe liability of Athenica Environmental Services Inc with respect to the sei-vices charged, shall in no event exceed the amount of the invoice. I o

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NYC-WTC_000206240